package top.lt.lt_ssm.service;

import java.util.List;

import top.lt.lt_ssm.bean.message;

public interface MessageService {

	public List<message> gatall();

	public List<message> gatin1(int id);

	public List<message> gatin2(String usn);

	public List<message> gatin3(String bt);

	public int DelByid(int id);
}
